Abiotic factors are the non-living things like temperature, soils conditions, water, etc. of a particular area that determine the kind of life surviving there. The article discusses these abiotic factors and how they affect living organisms. slide 1 of 8.
Also, it is rare, but if you are wearing socks for a long amount of time, and they start to itch, it may mean fuzzies from the socks are embedding in the creases in your feet, which cause the tiny pores in the creases of your feet to not be able to keep airing out.
Little itchy foot bumps. I have weird bumps on the bottom of my feet. They aren't there all the time and not usually more than 3 or 4 at a time. It feels like it is a little tiny BB deep inside and it gradually works it's way out to the skin. While it's inside it hurts when walking but if I push on it with my fingers it itches like crazy.